closing remarks by er priest in recent past huge advances from yohkohsoho trace
TRANSCRIPT
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Closing Remarks by ER Priest
In recent past huge advances from
Yohkoh SoHO
TRACE
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(born Sept 23, 06)
Clearly, producing next great advances in our subject
So what learnt so far ?What expect in future ?
?Wow ! Fantastic mission
Exciting discoveries ! Brilliant set of talks ! Tsuneta
Kosugi Metcalf
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Solar Optical Telescope(SOT)
X-ray Telescope (XRT)
EUV Imaging Spectrometer ( EI
S )
Performance:Ichimoto,
Hara,DeLuca
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SOT 1. Magnetic Field of Photosphere
Bruce Lites:*** Discovery of Ubiquitous Horizontal Fields
apparent Bhor=5Bvert (tube aspect ratio 10)
Ryohko Ishikawa:-- Emerge in granules -- preferred direction in plage,
none in Q. Sun
Flash Gordon: “He who controls magnetismcontrols the UNIVERSE” !
Vertical field(CP)
Horizontal field (LP)
Continuum
t=0min 1min 2min 3min 4min 5min 6min
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Saku Tsuneta:*** Polar B = kG vert trumpets + ubiquitous horizontal field
Clare Parnell:*** Q. Sun mag.elementsto 1016 Mx (~30<MDI,50% more flux);flux distrib is power law;smallest not yet resolved.
Rolf Schlichenmaier:Properties similar to radiative magnetoconvection simulation
Ted Tarbell:*** Chromospheric magnetograms [Mg Ib] --> intermittent upflows in cancellation
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2. Spicules
Yoshino Suematsu / Viggo Hansteen:***Stunning new discovery in Ca II H
Lateral oscillations, like swaying straw, [v~20 km s-1, periods 1-3 min [2-6?]]
Double threads -- spinning;Alfven waves -- ? Generated by reconn -- ?accel solar wind
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3. Prominences
Petr Heinzel:origin of fine-scale structure
Alphonse Sterling:Eruption of Hinode filament -- due to flux emergence & cancellation
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Gemma Attrill:
Fil eruption/CME -- > coronal wavew. bright front + coronal dimming
Takaaki Yokoyama:Prominence has inverse polarity
David Williams:Reconnection, rotation,expansion beforefilament eruption
Shinsuke Imada:Observed upflow in dimming region
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Jan Jurcak:Penumbra fine structure -- puzzling
4. Sunspots
Mashito Kubo:***Moving magnetic features --> convection detaches flux from spot
Kiyoshi Ichimoto:Complex nature up- & downflow in penumbra
moat region
penumbra
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Tetsuya Magara:Phases of motion of Dec 06 sunspot group;Use velocity info for 180 degree ambiguity.
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XRT & EIS1. Emerging FluxTakashi Sakurai:Corona brightens in XRT after magnetic flux increases
Mark Cheung:Flux is fragmented by granulation as it emerges in a radiative MHD
simulation
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2. XBP & Jets King of Jets is happy
Suguru Kamio:Jets ejected from XBP
Shibatamodel
Junichi Kotoku:XBP have complex structure& evolve dynamically
Deb Baker:discovered post-jet enhancements
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Kazunari Shibata:
*** discovery of ubiquitous Ca H jetsaccelerated by ubiquitous reconnection
[of Close & Parnell].
Sugure Kamio:properties in coronal hole
Yukio Katsukawa:*** disovered microjets in penumbra
Ed DeLuca:QSL structure of XBPs
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3. Coronal Holes
Ryouhei Kano:measured temp structure
Werner Curdt:structure of polar plumeswith SUMER+EIS
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4. Flares/CME’sLeon Golub:*** Shear changes in flares;*** Sigmoid is a pair of J’s
Len Culhane:*** Flow & turbulence in flare loops w. EIS
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Nonlinear force-free extrapolations:
Stephane Regnier:Calculated free energy as difference
nonlin & lin fff.
Marc DeRosa:
Model Hinode preflare --> strongest current v. low
Satoshi Inoue:Sigmoid is complex multiply sheared loops
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Louise Harra:
Reviwed 3D Stereo view of corona
Ron Moore:CF magnetic bubble model of CME w. obsns
Simon Plunkett:
Reviewed Dec 2006 flares:*** observns reconnection
region
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Masumi Shimojo:Observations of particle acceleration on Dec 13, 2006
Kerry Korreck:X-ray luminosity as fun of mag. flux
Rim Turkmani:Models electron acceleration in a loop & at the feet.
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Dan Seaton:Observable effects of current sheet in flares
Hugh Hudson:proved that he is a poet !and that preflare plasma is thin and cold.
Tetsuya Watanabe:Observed very high-T lines in solar flares (20 MK, Fe XIV)
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5. Active Regions - dynamic & fine structure !
Taro Sakao:Extended a.regions/*** discovered
strong outflows
Helen Mason:*** Review T & n diagnostics
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*** T map with fine structure
Peter Young:Secrets of making n maps
Jane Noglik:Temp. coronal loops -- ? multithermal
Fabio Reale:
Keiichi Matsuzaki:Multi-T observations with EIS--> magnetic junk field
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Noriyuki Narukage:***Temperature maps of full Sun -- new classification of coronal structures
Kevin Reardon:Temp from photon spectroscopy [XRT]
Giulio del Zanna:Many loops cooling due to slow emergence &
reconnection
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Allen Gary:
Parametric transformn to improve fit B with loops
Durgesh Tripathi:Densities in a.r. & moss
Rob Rutten:***Fantastic DOT movies & mysteries of Halpha
Georgia Tsiropoula:New cloud model
QuickTime™ and aYUV420 codec decompressorare needed to see this picture.
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*** Active region transient brighteningsdue to emerging flux reconnection
Robert Walsh:
Hugh Potts: Coronal heating by Fermi acceleration
Effect of many nanoflare strands on appearance of loops
Eric Buchlin:C heating by MHD turbulence [shell model]
Toshifu Shimizu:
6. Coronal Heating
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Hirohisa Hara:
*** Strong nonthermal motions 100 km s -1 in legs of coronal loops [& upflows 20 km s-1 from EIS]
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7. Nonthermal Motions
from unresolved waves;EIS loops with blueshifts and line broadening
George Doschek:*** Power of EIS -- maps v, T, nonthermal motions
Tom Van Doorseelaere:
Leon Ofman:Observed & modelled Alfven wavesin coronal loop Youra Taroyan:Coronal loop slow-modes with EIS
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Future ?
3. Will learn much more about fundamentals of
-- nature photospheric B - how formed, evolves, disappears -- cause spicules -- origin flares, cme’s -- nature prominences -- cause coronal heating -- ………
1. Just a beginning !
Hinode is Gold Mine -- wealth of discoveries
2. Especially when combine instruments
-- encourage collaborations, young people
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John Davis
TEST - -Who said
“Here is your 50 dollars”?
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Viggo Hansteen
Who said “Now let us pray”?
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Leon Golub
Who said “I’m submitting a paper just because someone must be
saying it”?
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Viggo Hansteen
Who said “After doing this for a couple of days, we convinced ourselves they were similar”?
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Ed DeLuca
Who said “To paraphrase Bill Clinton, it depends on your
definition of cross”?
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Ryouhei Kano
Who said “Hinode has had 2 eclipses since lunch”?
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Peter Gallacher
Who said “It’ll be a random walk to the Guiness Works”?
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Allen Gary
Who said “I started this work with Dave Alexander in 1959”?
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Robert Walsh
Who said “I know that you are looking at my slide but really
thinking of Guiness”?
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Masumi Shimojo
Who said “Here are the conclusions, but I can’t
understand them”?
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David Williams
Who said “Good morning, good afternoon -- I don’t know where I
am just now”?
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Giulio del Zanna
Who said “I am at the bottom of the sexiness
ladder in astrophysics”?
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Finally -- Congratulations !Project Managers
Ichiro Nakatani (JAXA) Barbara Cobb (MSFC)
Project ScientistsJohn Davis (MSFC) Kazunari Shibata (U. Kyoto) Takashi Sakurai (NAOJ) David Williams (UCL-MSSL)
Principal InvestigatorsSOT: S. Tsuneta, K. Ichimoto, Y. Suematsu (NAOJ)
T. Tarbell, A. Title (LMSAL)
XRT: E. DeLuca, L. Golub, K. Shibasaki (SAO, NAOJ)
EIS: L. Harra, T. Watanabe, G. Doschek(MSSL, NAOJ, NRL)
+ many others ……
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THANK - King Peter
and his wee leprechauns (Gerry, Louise, Paul and
Claire)
FINALLY